Issue I’m struggling hard with Flutter’s sizing constraints. I’m trying to make a custom scaffold like screen with a custom appbar and a stack below it with the lowest layer being a listview, and then maybe floating buttons on top
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Flutter – null check operator error in a child that should not be rendered yet
Issue I made a Loader widget which shows a loading indicator if isLoading = true and shows a child widget only if isLoading = false. The problem is when I use nullable data in the child, even though isLoading =
Continue readingCasting value results in, type 'Null' is not a subtype of type 'int' in type cast, error in Flutter
Issue I’m going through a tutorial on Flutter and am receiving a run-time error, but I’m not clear why. The error I’m receiving is, type ‘Null’ is not a subtype of type ‘int’ in type cast. However, the value of
Continue readingHow to create a flip countdown clock widget
Issue If anyone knows how to create this type of animation then please help me with it. I tried various packages from pub.dev but it’s not working. Please assist me with this. any help is appreciated Thanks Solution You can
Continue readingHow to populate DataTable widget with data fetched from my API?
Issue So I try the code from following stack overflow answer How to populate DataTable with JSON API in flutter, and changed that as per my need but DataTable is not populated and displaying my error message "No data found…".
Continue readingCheck if selectedEndHour is more than selectedStartHour
Issue This is my dropdownlist for start time. I wanted to validate the dropdownlist under the condition that if the user chooses the end hour less than the start date, it will show an error. What are the steps in
Continue readingCheck if selectedEndHour is more than selectedStartHour
Issue This is my dropdownlist for start time. I wanted to validate the dropdownlist under the condition that if the user chooses the end hour less than the start date, it will show an error. What are the steps in
Continue readingUse Freezed union types with some implemented fields
Issue I’m trying to use Freezed "Mixins and Interfaces for individual classes for union types" by following the documentation, but I’m struggling with one thing. The doc examples are pretty simples and the interfaces do not define any fields. However
Continue readingHow to generate a datetime in model using flutter freezed package
Issue I have this freezed part import ‘package:cloud_firestore/cloud_firestore.dart’; import ‘package:freezed_annotation/freezed_annotation.dart’; part ‘user_model.freezed.dart’; part ‘user_model.g.dart’; @freezed class UserModel with _$UserModel { factory UserModel({ required String id, @Default(”) String uniqueId, @Default(DateTime.now()) DateTime dob, }) = _UserModel; factory UserModel.fromJson(Map<String, dynamic> json) => _$UserModelFromJson(json);
Continue readingHow can i animate container from square shape to parallelogram shape in flutter
Issue Right Now i have a container of this kind of shape , I want to animate container from this shape to this one when on tap button was hit So Who can i achieve this thing in Flutter Solution
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